Electrical Control TRIZ Cases

A variable valve mechanism adjusts intake lift to maximize combustion gas blow-back into the engine port.

Skip fire engine cylinders use variable pneumatic springs to rapidly heat aftertreatment systems during cold starts, reducing initial pollution emissions.

A feed forward control system adjusts engine torque based on turbine speed changes to stabilize idle operation.

ECU detects purge pipe leakage via differential pressure between the intake pipe and atmospheric reference, resolving evaporation fuel circulation issues.

Segmented catalyst substrates with distinct volumes and noble metal concentrations reduce activation time while lowering material costs.

A control device monitors drive current to verify fuel injection cut function status before engine startup.

A vehicle propulsion controller generates a torque phase ratio to submit timely torque requests.

Derates an internal combustion engine upon detecting unrequested hydrocarbon introduction to mitigate runaway risks.

Controller adjusts torque reduction during steering turns to synchronize accelerator and steering responses across different traveling modes.

A torque down control section sets a target torque to a predetermined lower limit value based on vehicle speed and accelerator position during restart.

A cylinder control module selects activation patterns to optimize fuel economy.

A predictive tachometer profile computes engine speed during transmission shifts using shift completion percentage and gear speed differences.

A control system regulates compressed air delivery to a turbocharger turbine.

A control device stores calculated fuel injection rates to maintain consistent air/fuel ratios across combustion cycles.

A hood switch controls power to an electrical air restriction measurement device, preventing premature battery drainage during extended servicing.

A programmable controller delays fuel recovery during lockup clutch disengagement to maintain consistent vehicle speed.

Distinct deceleration ratios in separate throttle units synchronize valve opening speeds, eliminating cylinder output variations.

Dynamic threshold control prevents tilt rod damage from sudden loads when propeller enters water, even with faulty sensors.

Segmented reducing agent dosing isolates sensor responses in dual SCR systems, preventing unnecessary exchanges by pinpointing faulty NOx sensors.

Active sensors detect camshaft and crankshaft angular positions to enable precise electronic phase difference control.

Upstream sensors bypass hydrogen interference to maintain stoichiometric ratios and reduce emissions.

A vehicle control device manages engine torque during transmission shifts by coordinating ignition timing and recirculation valve operations.

A fluid delivery system uses solenoid actuator signals to validate pump strokes and calculate remaining reagent volume without physical sensors.

Capacitive coupling between meander tracks determines sensor integrity without ambiguity from particle conduction.

An opposed piston engine releases trapped air via an additional port valve during compression to raise exhaust gas temperature for effective after-treatment.

A cylinder deactivation apparatus adjusts ignition timing and fuel injection to stabilize combustion during mode transitions.

A swirl control valve generates an inclined gas flow to distribute fuel portions evenly within the combustion chamber.

Segmented chambers isolate explosive HHO gas from electrolyte to prevent detonation while enabling safe engine integration.

Predictive lift pump control prevents fuel rail pressure undershoots by activating the pump before injection rates cause a drop.

A supercharger actuator uses a metal final gear and separate non-magnetic holder to drive boost pressure valves.

Throttle loss recovery electronics dissipate excess energy through fluid communication with bypass flow.

A four-stroke engine method adjusts exhaust valve closing timing to manage residual gas volume for precise compression ignition.

A fuel system reduces accumulator pressure by injecting gaseous fuel into combustion chambers while closing the inlet valve.

A control device adjusts braking force on a crankshaft using position and speed data to optimize engine restart dynamics.

A piezoelectric sensor arrangement detects hydraulic pressure variations through diaphragm deformations.

Dual pore zones in partition walls separate particulate matter from ash, preventing pressure loss increases caused by ash accumulation.

A fuel control apparatus stabilizes engine idling during consecutive startups by adjusting injection parameters based on detected heavy fuel characteristics.

A method corrects fuel injection quantities during cold starts using learned data from previous cycles.

A control device manages electromagnetic driving units for flow rate regulating valves and pressure reducing valves in common rail fuel injection systems.

Skip fire variable displacement mode sequences cylinder firings to reduce pumping losses at partial throttle.

A valve control device adjusts high and low pressure EGR passages to optimize gas flow during engine operation.

A control system adjusts low pressure exhaust gas recirculation ratios to stabilize total flow rates.

A control device estimates gas flow rate through a closure valve using in-tank pressure changes and adjusts stepping motor steps to match required flow.

A control method positions variable turbine nozzle vanes against a hard stop during engine braking maneuvers.

A turboshaft engine valve monitoring method applies signature tests to desensitized time signals derived from status variable changes.

A control system monitors individual cylinder conditions to adjust liquid fuel supply for dual fuel engines.

A single-line data connection transmits heater enable signals and temperature feedback simultaneously using voltage and current variations.

Jointly evaluating oxygen storage capacities delays premature defect identification and unnecessary replacements while maintaining emission limits.

A pressure sensor design uses a buffer recess and protruding cylinder portion to contain sealing resin within the housing.